/*
 * Enemy.h
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

#pragma once

#include "Sprite.h"
#include "SpriteGroup.h"
#include "Formation.h"
#include "Counter.h"

class Ship;

class Enemy : public Sprite
{
public:
    Enemy(const SDL_Rect& area);
    void drift();
    void attack(Ship* ship);
    void send_attacker(Ship* ship);
    bool update(void* arg);
    void erase(SDL_Surface* screen, SDL_Surface* background);
    void blit(SDL_Surface* screen);

private:
    const SDL_Rect& _area;
    Formation _formation;
    Counter _drift_counter;
    Counter _drift_shift;
    Counter _attack_counter;
    SpriteGroup<Soldier> _attackers;
    int _attack_side;
};

